EMC with Linux RHEL5

Eugene Pik eugene.pik at gmail.com
Sun Dec 9 09:52:48 CST 2007


To eliminate OS/driver from the troubleshooting, check the link status in
the Qlogic configuration utility (as the server boots, press CTRL-Q when
prompted)

Eugene Pik


On Dec 9, 2007 7:30 AM, Mad Unix <madunix at gmail.com> wrote:

> 3 servers Linux1 , Linux2 , Linux 3
>
> Connectivity status:
>
> 4x logged In --> No
> 6x logged In --> Yes
>
> All registered  --> Yes
>
> Only Linux3 system shows correct,
> Linux1, Linux2 show the Logged In No
>
> I can send you the attachemt of the lay out
>
>
> [root at linux1 ~]# powermt display
> Symmetrix logical device count=0
> CLARiiON logical device count=2
> Hitachi logical device count=0
> Invista logical device count=0
> HP xp logical device count=0
> Ess logical device count=0
> HP HSx logical device count=0
>
> ==============================================================================
> ----- Host Bus Adapters ---------  ------ I/O Paths -----  ------ Stats
> ------
> ###  HW Path                       Summary   Total   Dead  IO/Sec Q-IOs
> Errors
>
> ==============================================================================
>    1 qla2xxx                       optimal       2      0       -
> 0      0
>    2 qla2xxx                       optimal       2      0       -
> 0      0
>
> [root at linux1 ~]# powermt display dev=all
> Pseudo name=emcpowerd
> CLARiiON ID=CK200073300475 [SG_Linux1]
> Logical device ID=6006016043D11D0036819AB6AE9CDC11 [LUN 0]
> state=alive; policy=CLAROpt; priority=0; queued-IOs=0
> Owner: default=SP A, current=SP A
>
> ==============================================================================
> ---------------- Host ---------------   - Stor -   -- I/O Path -  -- Stats
> ---
> ###  HW Path                I/O Paths    Interf.   Mode    State  Q-IOs
> Errors
>
> ==============================================================================
>    1 qla2xxx                   sdb       SP A2     active  alive
> 0      0
>    2 qla2xxx                   sdd       SP B3     active  alive
> 0      0
> Pseudo name=emcpowerc
> CLARiiON ID=CK200073300475 [SG_Linux1]
> Logical device ID=6006016043D11D0037819AB6AE9CDC11 [LUN 1]
> state=alive; policy=CLAROpt; priority=0; queued-IOs=0
> Owner: default=SP B, current=SP B
>
> ==============================================================================
> ---------------- Host ---------------   - Stor -   -- I/O Path -  -- Stats
> ---
> ###  HW Path                I/O Paths    Interf.   Mode    State  Q-IOs
> Errors
>
> ==============================================================================
>    1 qla2xxx                   sdc       SP A2     active  alive
> 0      0
>    2 qla2xxx                   sde       SP B3     active  alive
> 0      0
>
> [root at linux1 ~]#
> [root at linux1 ~]# powermt check_registration
> Key B**************************************6
>   Product: PowerPath
>   Capabilities: All
>
>
>
> [root at linux2 ~]# powermt display dev=all
> Pseudo name=emcpowerc
> CLARiiON ID=CK200073300475 [SG_Linux2]
> Logical device ID=6006016043D11D0038819AB6AE9CDC11 [LUN 2]
> state=alive; policy=CLAROpt; priority=0; queued-IOs=0
> Owner: default=SP A, current=SP A
>
> ==============================================================================
> ---------------- Host ---------------   - Stor -   -- I/O Path -  -- Stats
> ---
> ###  HW Path                I/O Paths    Interf.   Mode    State  Q-IOs
> Errors
>
> ==============================================================================
>    1 qla2xxx                   sdb       SP A2     active  alive
> 0      0
>    2 qla2xxx                   sdd       SP B3     active  alive
> 0      0
> Pseudo name=emcpowerb
> CLARiiON ID=CK200073300475 [SG_Linux2]
> Logical device ID=6006016043D11D0039819AB6AE9CDC11 [LUN 3]
> state=alive; policy=CLAROpt; priority=0; queued-IOs=0
> Owner: default=SP B, current=SP B
>
> ==============================================================================
> ---------------- Host ---------------   - Stor -   -- I/O Path -  -- Stats
> ---
> ###  HW Path                I/O Paths    Interf.   Mode    State  Q-IOs
> Errors
>
> ==============================================================================
>    1 qla2xxx                   sdc       SP A2     active  alive
> 0      0
>    2 qla2xxx                   sde       SP B3     active  alive
> 0      0
>
> [root at linux2 ~]# powermt display
> Symmetrix logical device count=0
> CLARiiON logical device count=2
> Hitachi logical device count=0
> Invista logical device count=0
> HP xp logical device count=0
> Ess logical device count=0
> HP HSx logical device count=0
>
> ==============================================================================
> ----- Host Bus Adapters ---------  ------ I/O Paths -----  ------ Stats
> ------
> ###  HW Path                       Summary   Total   Dead  IO/Sec Q-IOs
> Errors
>
> ==============================================================================
>    1 qla2xxx                       optimal       2      0       -
> 0      0
>    2 qla2xxx                       optimal       2      0       -
> 0      0
>
> [root at linux2 ~]# powermt check_registration
> Key B**********************************6
>   Product: PowerPath
>   Capabilities: All
>
>
> [root at linux3 ~]# powermt display
> Symmetrix logical device count=0
> CLARiiON logical device count=2
> Hitachi logical device count=0
> Invista logical device count=0
> HP xp logical device count=0
> Ess logical device count=0
> HP HSx logical device count=0
>
> ==============================================================================
> ----- Host Bus Adapters ---------  ------ I/O Paths -----  ------ Stats
> ------
> ###  HW Path                       Summary   Total   Dead  IO/Sec Q-IOs
> Errors
>
> ==============================================================================
>    1 qla2xxx                       optimal       2      0       -
> 0      0
>    2 qla2xxx                       optimal       2      0       -
> 0      0
>
> [root at linux3 ~]# powermt display dev=all
> Pseudo name=emcpowerb
> CLARiiON ID=CK200073300475 [SG_Linux3]
> Logical device ID=60060160DDD01D00CEC863C3DDA3DC11 [LUN 5]
> state=alive; policy=CLAROpt; priority=0; queued-IOs=0
> Owner: default=SP A, current=SP A
>
> ==============================================================================
> ---------------- Host ---------------   - Stor -   -- I/O Path -  -- Stats
> ---
> ###  HW Path                I/O Paths    Interf.   Mode    State  Q-IOs
> Errors
>
> ==============================================================================
>    1 qla2xxx                   sdc       SP A2     active  alive
> 0      0
>    2 qla2xxx                   sde       SP B3     active  alive
> 0      0
> Pseudo name=emcpowera
> CLARiiON ID=CK200073300475 [SG_Linux3]
> Logical device ID=60060160DDD01D00CFC863C3DDA3DC11 [LUN 6]
> state=alive; policy=CLAROpt; priority=0; queued-IOs=0
> Owner: default=SP B, current=SP A
>
> ==============================================================================
> ---------------- Host ---------------   - Stor -   -- I/O Path -  -- Stats
> ---
> ###  HW Path                I/O Paths    Interf.   Mode    State  Q-IOs
> Errors
>
> ==============================================================================
>    1 qla2xxx                   sdb       SP A2     active  alive
> 0      0
>    2 qla2xxx                   sdd       SP B3     active  alive
> 0      0
>
> [root at linux3 ~]# powermt check_registration
> Key B***********************6
>   Product: PowerPath
>   Capabilities: All
>
>
>
>
>
>
>
> On Dec 9, 2007 2:19 PM, <Harald_Jensas at dell.com> wrote:
>
> >  Hi,
> >
> >
> >
> > Does the host work? Can you see/use the LUNs connected to the host?
> >
> >
> >
> > Unless you can see any Loggedin = YES Registered = NO connections in
> > Navisphere this is most likely not a problem with registration.
> >
> >
> >
> > How many Loggedin = No Registered =YES entries do you see for the host?
> >
> > How many Loggedin = YES Registered =YES entries do you see for the host?
> >
> >
> >
> > What happed before this problem occurred?
> >
> >
> >
> > --
> >
> > Harald Jensås
> >
> >
> >
> >
> >
> > *From:* Mad Unix [mailto:madunix at gmail.com]
> > *Sent:* 09 December 2007 13:00
> > *To:* Jensas, Harald
> > *Cc:* linux-poweredge-Lists
> > *Subject:* Re: EMC with Linux RHEL5
> >
> >
> >
> > Dear sir
> >
> > Am thinking about this issue the host connectivity issues that am facing
> > right
> > now it has to do with the installation the one who has done the
> > installation did some manual
> > registration mostly ....??? am not sure
> > Am thinking just just to do the unregister for
> > these gray icons HBA and just clean it up from the system  ... what you
> > think?
> >
> > Thanks
> >
> >  On Dec 9, 2007 1:55 PM, < Harald_Jensas at dell.com> wrote:
> >
> > Hi,
> >
> >
> >
> > Your FC HBAs has not logged into the Front End FC Ports of your Clariion
> > Array.
> >
> > In "network terms" there is no Link. This could be a physical problem,
> > or a logical problem like a bad zoning configuration etc.
> >
> >
> >
> > Possible Causes:
> >
> >
> >
> > 1.       The Driver for the HBAs is not loaded.
> >
> > 2.       The Fibre Cables are not connected/broken.
> >
> > 3.       If you have FC Switches/Switch the Zoning Configuration might
> > not be correct.
> >
> > 4.       One of several different hardware components could be broken,
> > HBAs, FC Switch, FC Switch GBICs etc.
> >
> >
> >
> >
> >
> > --
> >
> > Harald
> >
> >
> >
> >
> >
> >
> >
> > *From:* linux-poweredge-bounces at dell.com [mailto:
> > linux-poweredge-bounces at dell.com] *On Behalf Of *Mad Unix
> > *Sent:* 09 December 2007 11:33
> > *To:* linux-poweredge-Lists
> > *Subject:* EMC with Linux RHEL5
> >
> >
> >
> > Problem:  Linux hosts attached to CLARiiON CX10 array shows Fibre Login
> > status Not Logged In, am using Navisphere Manager 6.x
> >
> > Connectivity status displays the following for hosts the following
> >
> >         Icon beside "Initiator WWN" field ===>Icon is grayed out
> >         "Fibre Logged in"                          ===>Displays as "No"
> >         "Registered"                                 ===>Displays as
> > "Yes"
> >
> > What could be?
> >
> >
> > --
> > madunix
> >
> >
> >
> >
> > --
> > madunix
> >
>
>
>
> --
> madunix
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